Title: Digital scanning transformation method and implementation circuit for ultrasonic imaging system
Application Number: 90109012 Application Date: 1990.11.15
Publication Number: 1061477 Publication Date: 1992.05.27
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01N29/06,G01S15/00
Applicant(s) Name: Qinghua Univ. Address: 100084
Inventor(s) Name: Hu Xiutai
Attorney & Agent: LIAO YUANQIU
Abstract:
     The invention advances a digitized scanning transformation method in which pixels are arranged in uniform traperzoid coordinate system within sampling, storage and display spaces, and realizes all the functions of a digitized scanning transformer with simple circuits and at low cost. The invention is suitable for use in medical ultra-sonic imaging systems and nondestructive flaw detectors, and can be added to analogue equipments without DSC for improved specifications.
Time: 9